<s>
MDaemon	B-Protocol
Email	B-Protocol
Server	I-Protocol
is	O
an	O
email	B-Protocol
server	I-Protocol
application	O
with	O
groupware	B-Application
functions	O
for	O
Microsoft	B-Application
Windows	I-Application
,	O
first	O
released	O
by	O
Alt-N	O
Technologies	O
in	O
1996	O
.	O
</s>
<s>
Mdaemon	B-Protocol
supports	O
multiple	O
client-side	O
protocols	O
,	O
including	O
IMAP	B-Protocol
,	O
POP3	B-Protocol
,	O
SMTP/MSA	B-Protocol
,	O
webmail	B-Protocol
,	O
CalDAV	B-Protocol
,	O
CardDAV	B-Protocol
,	O
and	O
optionally	O
ActiveSync	B-Protocol
for	O
mobile	O
clients	O
and	O
Outlook	B-Application
,	O
and	O
its	O
Connector	O
for	O
Outlook	B-Application
add-on	O
.	O
</s>
<s>
MDaemon	B-Protocol
's	O
features	O
include	O
a	O
built-in	O
spam	O
filter	O
with	O
Heuristic	O
and	O
Bayesian	O
analysis	O
,	O
SSL	B-Protocol
and	I-Protocol
TLS	I-Protocol
encryption	I-Protocol
,	O
client-side	O
and	O
server-side	O
email	O
and	O
attachment	O
encryption	O
,	O
public	O
and	O
shared	O
folder	O
support	O
,	O
mailing	O
list	O
,	O
and	O
support	O
for	O
sharing	O
of	O
groupware	B-Application
data	O
(	O
calendar	O
,	O
contacts	O
,	O
tasks	O
&	O
notes	O
)	O
.	O
</s>
<s>
It	O
is	O
also	O
the	O
basis	O
for	O
MDaemon	B-Protocol
Tech	O
's	O
Security	O
Gateway	O
for	O
Email	B-Protocol
Servers	I-Protocol
.	O
</s>
<s>
According	O
to	O
com	O
's	O
Mail	O
(	O
MX	O
)	O
Server	O
Survey	O
,	O
MDaemon	B-Protocol
at	O
its	O
peak	O
provided	O
approximately	O
2.5	O
%	O
of	O
all	O
known	O
Internet	O
mail	B-Protocol
servers	I-Protocol
,	O
the	O
sixth	O
largest	O
installation	O
base	O
from	O
all	O
identified	O
servers	O
.	O
</s>
<s>
On	O
October	O
17	O
,	O
2022	O
MDaemon	B-Protocol
Technologies	O
published	O
on	O
their	O
website	O
customer	O
alert	O
that	O
MDaemon	B-Protocol
Technologies	O
was	O
the	O
victim	O
of	O
a	O
ransomware	O
cyberattack	O
on	O
Sunday	O
,	O
October	O
16	O
,	O
2022	O
.	O
</s>
<s>
As	O
a	O
result	O
AV	O
update	O
service	O
and	O
license	O
service	O
were	O
not	O
available	O
impacting	O
some	O
MDaemon	B-Protocol
customers	O
as	O
users	O
reported	O
on	O
MDaemon	B-Protocol
facebook	O
page	O
.	O
</s>
<s>
MDaemon	B-Protocol
Technology	O
employees	O
have	O
had	O
to	O
temporarily	O
switch	O
to	O
manual	O
operations	O
and	O
had	O
to	O
communicate	O
by	O
phone	O
in	O
the	O
U.S.	O
until	O
the	O
systems	O
were	O
up	O
and	O
running	O
.	O
</s>
